Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/14/2018
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 04/15/2018 19:38:01 -68.27, 64.11 121.80 04/15/2018 19:38:53 -68.28, 64.05 121.81 2.33 52
2 04/15/2018 20:28:45 68.15,-128.42 58.06 04/15/2018 20:28:20 68.16,-128.43 58.08 1.95 25
3 04/15/2018 21:19:12 -67.26, 39.98 122.85 04/15/2018 21:18:03 -67.33, 38.25 122.76 74.82 69
4 04/18/2018 11:54:55 -68.27, 179.89 122.76 04/18/2018 11:55:25 -68.27, 179.92 122.75 1.48 30
5 04/18/2018 12:45:38 68.09, -12.57 57.06 04/18/2018 12:44:53 68.11, -12.64 57.07 3.23 45
6 04/21/2018 03:21:13 68.67, 127.82 56.75 04/21/2018 03:22:24 68.54, 128.48 56.61 30.24 71
7 04/21/2018 04:11:48 -68.20, -64.26 123.74 04/21/2018 04:11:58 -68.22, -64.28 123.73 1.70 10
8 04/21/2018 05:02:32 68.08, 103.20 56.13 04/21/2018 05:01:25 68.10, 103.23 56.15 2.00 67
9 04/23/2018 19:38:00 68.29,-115.91 55.46 04/23/2018 19:39:00 68.31,-115.94 55.48 2.24 60
10 04/23/2018 20:28:42 -68.20, 51.52 124.64 04/23/2018 20:28:30 -68.21, 51.58 124.63 2.68 12
11 04/23/2018 21:19:16 67.54,-140.35 54.69 04/23/2018 21:18:06 67.59,-141.49 54.74 48.66 70
12 04/26/2018 11:54:53 68.29, -0.14 54.59 04/26/2018 11:55:31 68.30, -0.08 54.60 2.74 38
13 04/26/2018 12:45:34 -68.14, 167.37 125.58 04/26/2018 12:45:02 -68.15, 167.37 125.57 0.84 32

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 4/14/2018
SNOs_Map_NOAA-20_TERRA_20180414.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 04/14/2018 in txt file.

Historical Predictions of SNOs between NOAA-20 and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service